1834 - Thomas Davenport of Vermont developed the first real electric motor ('real' meaning powerful enough to do a task) although Joseph Henry and Michael Faraday created early motion devices using electromagnetic fields.
Below is a more detailed usage of operating systems according to age group: 18 to 34 years old. Of all the smartphone users, 50% use Android as operating system, 43% use iPhone, 39% use Microsoft and 38% use RIM. Apparently, more users prefer Android.
Microsoft Windows might never have become the dominant operating system that it is today. On May 22, 1990, the critically accepted Windows 3.0 was released. Windows 3.0 had an improved program manager and icon system, a new file manager, support for sixteen colors, and improved speed and reliability.